期刊
INTERNATIONAL JOURNAL OF BIOPRINTING
卷 8, 期 1, 页码 1-8出版社
WHIOCE PUBLISHING PTE LTD, SINGAPORE
DOI: 10.18063/ijb.v8i1.478
关键词
Additive manufacturing; 3D printing; Powder bed fusion; Selective laser melting; Electron beam melting; Titanium
资金
- NTU Presidential Postdoctoral Fellowship from Nanyang Technological University, Singapore
This perspective article covers the emerging research of powder bed fusion (PBF) of beta-titanium (beta-Ti) alloys, which have gained interest in the biomedical field due to their potential to reduce stress shielding. The potential and limitations of using PBF for these materials in biomedical applications are discussed from the perspectives of processes, materials, and designs. Future trends and potential research topics are also highlighted.
Stress shielding caused by the mismatch of modulus between the implant and natural bones, is one of the major problems faced by current commercially used biomedical materials. Beta-titanium (beta-Ti) alloys are a class of materials that have received increased interest in the biomedical field due to their relatively low elastic modulus and excellent biocompatibility. Due to their lower modulus, beta-Ti alloys have the potential to reduce stress shielding. Powder bed fusion (PBF), a category of additive manufacturing, or more commonly known as 3D printing techniques, has been used to process beta-Ti alloys. In this perspective article, the emerging research of PBF of beta-Ti alloys is covered. The potential and limitations of using PBF for these materials in biomedical applications are also elucidated with focus on the perspectives from processes, materials, and designs. Finally, future trends and potential research topics are highlighted.
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